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Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material

A biomass, light substrate technology, applied in the field of comprehensive treatment of agricultural and forestry biomass, can solve problems such as damage to the root growth of seedlings, danger, unsuitability, etc.

Inactive Publication Date: 2007-10-10
INST OF FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The agricultural and forestry waste raw materials contain a variety of microorganisms. The agricultural and forestry waste raw materials themselves contain some simple organic substances such as monosaccharides, disaccharides, starch, fat, protein, and hemicellulose. Parts, temperature and air conditions are suitable and easy to be decomposed and fermented by microorganisms, producing and releasing gases and liquids containing various chemical components, such as: organic acids, methane, ammonia, hydrogen sulfide, sulfur dioxide and other gases, when certain components When the liquid or gas accumulates to a certain concentration, it will damage the root growth of the seedlings, which is very dangerous in the process of seedling cultivation
The pH value, EC value, CEC value and other chemical indicators of untreated matrix raw materials; and the physical indicators such as matrix value, particle size, phase liquid, phase gas, and solid are not suitable for seedling growth, so untreated agricultural and forestry waste biomass Waste cannot be used for seedling cultivation

Method used

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  • Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material
  • Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material
  • Synthesizing method and equipment for fabricating light ground substance by using farming and forestry biolobic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The device in this example includes: a combustion system, a cracking system, an organic liquid collection system, and a combustible gas collection system.

[0057] The combustion system includes a combustion furnace 1. The combustion furnace 1 includes an ash chamber 2 and a furnace 3. The ash chamber 2 is located at the bottom of the combustion furnace 1. A movable grate 4 is provided between the ash chamber 2 and the furnace 3. The side wall of the ash chamber 2 is provided with a fan air inlet 5, and the air inlet 5 is connected with the blower 6, and 4 pairs of tangential air inlet pipes 7 are installed in the furnace 3, and the side wall of the furnace 3 is provided with 2 temperature sensors 19 and 2 The openable observation window can be used to observe and transfer the materials in the furnace. Four tubes 8 facing different directions in the furnace 3 are also installed on the furnace wall. The outer ends of the tubes 8 are closed and can be opened if necessary,...

Embodiment 2

[0062] The basic structure in this example is the same as that of Example 1, except that the cracking furnace is the difference. The cracking furnace 30 in this example adopts a rotating structure, and its axial upper end is provided with a water seal cover 27 and a flange gas outlet 28, and its axial lower end is connected with the combustion furnace 1, and its outer wall is provided with at least one temperature sensor 19, There is a steel helix 29 inside it. When the furnace body rotates forward, the material inside can be turned over to achieve the effect of uniform heating. When it is reversed, the material can be poured out from the top. When it is necessary to add materials, the top inlet flange can be opened to add materials, and the drum is tilted and rotated normally.

[0063] The pyrolysis furnaces of Example 1 and Example 2 are interchangeable, and they are suitable for different materials. One is suitable for the smaller solid biomass agriculture and forestry such...

Embodiment 3

[0065] Take sawdust as an example below to illustrate the working method of the device of the present invention

[0066] ① Put the sawdust containing wood blocks and chips into the insufficient rotary drum cracking furnace through the rotary feeder, and the volume of the material is 2 / 3 of the volume of the device.

[0067] ②Put dry firewood into combustion gasifier

[0068] (2) Temperature control process of combustion gasification and incomplete cracking

[0069] Light the firewood in the combustion furnace, turn on the blower to adjust the air volume to fully oxidize and burn the firewood. When the dry wood in the furnace needs to be replenished after burning less, the blast volume should be appropriately reduced. During the rotation and stirring process of the materials in the cracking system, a small part of the materials will fall into the combustion furnace. Since the inner wall of the furnace hall has a thicker refractory material, the furnace hall maintains a higher...

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Abstract

This invention provides a method for producing lightweight matrix from agriculture and forest biomass. The method comprises: (1) preparing a high-temperature reductive gas; (2) introducing the high-temperature reductive gas into a sealed container loaded with agriculture and forest biomass, incompletely pyrolyzing the biomass under rotating and / or stirring, to obtain lightweight matrix, and collecting the produced organic liquid and inflammable gas separately. This invention also provides an apparatus, which comprises a combustion system, a pyrolysis system, an organic liquid collection system, and an inflammable gas collection system. The lightweight matrix can be used as a mesh container for seedling.

Description

technical field [0001] The invention relates to a comprehensive processing method and device for agricultural and forestry biomass, in particular to a comprehensive processing method and corresponding device for producing light matrix by using agricultural and forestry biomass. Background technique [0002] Agricultural and forestry biomass contains monosaccharides, disaccharides, starch, fat, protein, hemicellulose and other organic substances. Many such biomass wastes are discarded in agricultural and forestry production and industrial production, resulting in a waste of energy. [0003] Light seedling substrate is a kind of consumable, and the quantity used is huge. Whether the source of materials is extensive, whether the processing technology is simple, and whether the cost is low will affect whether this advanced light substrate mesh bag container technology can be used in the production of grassroots tree seedlings in my country. The key factor for unit promotion and a...

Claims

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Application Information

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IPC IPC(8): C05F15/00C05F11/00C05F5/00C05F3/00A01G31/00
CPCY02A40/20
Inventor 许洋许传森田林
Owner INST OF FORESTRY CHINESE ACAD OF FORESTRY
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